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** This file is part of the QtXmlPatterns module of the Qt Toolkit.

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** this package.

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****************************************************************************/

#include "qatomictype_p.h"

#include "qbuiltintypes_p.h"

#include "qcastas_p.h"

#include "qcommonnamespaces_p.h"

#include "qcommonsequencetypes_p.h"

#include "qfunctionargument_p.h"

#include "qfunctioncall_p.h"

#include "qgenericsequencetype_p.h"

#include "qschematype_p.h"

#include "qschematypefactory_p.h"

#include "qconstructorfunctionsfactory_p.h"

QT_BEGIN_NAMESPACE

using namespace QPatternist;

ConstructorFunctionsFactory::ConstructorFunctionsFactory(const NamePool::Ptr &np, const SchemaTypeFactory::Ptr &f) : m_typeFactory(f)

{

    Q_ASSERT(m_typeFactory);

    Q_ASSERT(np);

    SchemaType::Hash::const_iterator it(m_typeFactory->types().constBegin());

    const SchemaType::Hash::const_iterator end(m_typeFactory->types().constEnd());

    FunctionArgument::List args;

    const QXmlName argName(StandardNamespaces::empty, StandardLocalNames::sourceValue);

    args.append(FunctionArgument::Ptr(new FunctionArgument(argName,

                                                           CommonSequenceTypes::ZeroOrOneAtomicType)));

    while(it != end)

    {

        if(!BuiltinTypes::xsAnyAtomicType->wxsTypeMatches(*it) ||

           *BuiltinTypes::xsAnyAtomicType == *static_cast<const AtomicType *>((*it).data()) ||

           *BuiltinTypes::xsNOTATION == *static_cast<const AtomicType *>((*it).data()))

        {

            /* It's not a valid type for a constructor function -- skip it. */

            ++it;

            continue;

        }

        const QXmlName name((*it)->name(np));

        FunctionSignature::Ptr s(new FunctionSignature(name, 1, 1,

                                                       makeGenericSequenceType(AtomicType::Ptr(*it),

                                                                               Cardinality::zeroOrOne())));

        s->setArguments(args);

        m_signatures.insert(name, s);

        ++it;

    }

}

Expression::Ptr ConstructorFunctionsFactory::retrieveExpression(const QXmlName name,

                                                                const Expression::List &args,

                                                                const FunctionSignature::Ptr &sign) const

{

    Q_UNUSED(sign);

    /* This function is only called if the callsite is valid, so createSchemaType() will always

     * return an AtomicType. */

    const AtomicType::Ptr at(static_cast<AtomicType *>(m_typeFactory->createSchemaType(name).data()));

    return Expression::Ptr(new CastAs(args.first(),

                                      makeGenericSequenceType(at,

                                                              Cardinality::zeroOrOne())));

}

FunctionSignature::Ptr ConstructorFunctionsFactory::retrieveFunctionSignature(const NamePool::Ptr &np, const QXmlName name)

{

    Q_UNUSED(np);

    return functionSignatures().value(name);

}

QT_END_NAMESPACE